Q. 64.9( 14 Votes )

The percentages of marks obtained by a student in six unit tests are given below:


A unit test is selected at random. What is the probability that the student gets more than 60% marks in the test ?

Answer :

Total number of unit tests: 6


Number of Unit tests in which, the student got more than 60%: 2


That includes 1.) unit test II and


2.) unit test V


Probability P() =


1.Let P(U) be probability of Student scoring more than 60% in unit tests


P (U) =


P (U) = =


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Champ Quiz | Basics of ProbabilityChamp Quiz | Basics of ProbabilityChamp Quiz | Basics of Probability36 mins
RD Sharma | IMP Qs Discussion on ProbabilityRD Sharma | IMP Qs Discussion on ProbabilityRD Sharma | IMP Qs Discussion on Probability43 mins
Quiz | Calculating ProbabilityQuiz | Calculating ProbabilityQuiz | Calculating Probability39 mins
NCERT | Critical Thinking Problems in ProbabilityNCERT | Critical Thinking Problems in ProbabilityNCERT | Critical Thinking Problems in Probability39 mins
RD Sharma | Extras on ProbabilityRD Sharma | Extras on ProbabilityRD Sharma | Extras on Probability45 mins
Concept of ProbabilityConcept of ProbabilityConcept of Probability36 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses